Blago Simeonov.
I. Molto andante — II. Andante — III. Grave — IV. Vivo.
For flute or violin, viola, violoncello.
For flute or violin, viola, violoncello.
Also in a version for piano (1965), published together with 7 Old Aquarelles (Artscan Music)

Trio version written in 1970.
Duration: ca. 2:40.